this my first time doing a butt weld on such thick steel 5/16 and while I thought it was penetrating from the top it just didn't go all the way through even though I thought I was going pretty slow. I think maybe use a wider gap or the back and forth motion jody does instead of the weaving on the fi...

Does anyone quick disconnects for your argon lines? which ones?

This is what I mean

https://www.youtube.com/watch?v=tF8ehISyD2k

Thanks